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Out-of-bounds Write

CVE-2018-1000001

High
7.8/10

Summary

In glibc versions 2.0.92 through 2.26, there is confusion in the usage of "getcwd()" by "realpath()", which can be used to write before the destination buffer, leading to a Buffer Underflow and potential code execution.

  • LOW
  • LOCAL
  • HIGH
  • UNCHANGED
  • NONE
  • LOW
  • HIGH
  • HIGH

CWE-787 - Out-of-Bounds Write

Out-of-bounds write vulnerability is a memory access bug that allows software to write data past the end or before the beginning of the intended buffer. This may result in the corruption of data, a crash, or arbitrary code execution.

References

Advisory Timeline

  • Published